3EZ47D5/TR8

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Diodes are semiconductor devices that are used for various applications such as rectification, switching, protection and signal processing. Zener Diodes are one type of diode and are used specifically for voltage regulation, with the 3EZ47D5/TR8 particular being a single-zener, low power regulator. The following will provide an overview of the application field and working principle of the 3EZ47D5/TR8.

Application Field

The 3EZ47D5/TR8 is designed for use in a variety of applications. It can be used as a voltage regulator, or as a protection diode. It is particularly useful in device designs where stability is a major concern. It can be used in conjunction with a power supply and current limiting resistor to provide regulation in between +5V to +12V DC sources. It is also suitable for low voltage, low capacitance logic level ICs, and TTL circuits and digital ICs.

Working Principle

The 3EZ47D5/TR8 is a low power Zener diode that functions as a voltage regulator. It works by allowing current to flow in only one direction (from anode to cathode). When a voltage greater than the Zener voltage is applied to the anode, the excess voltage is ‘shunted’ to ground through the Zener diode. As the voltage increases, the Zener diode begins to conduct, and the current carrying capability increases until it reaches the Zener current, at which point the voltage remains constant — the Zener voltage. The Zener voltage is determined based on the breakdown voltage of the diode and its tolerance.

Conclusion

The 3EZ47D5/TR8 is a versatile single-zener, low power regulator that can be used in a variety of applications. It works by using the Zener diode to regulate the voltage by providing a shunt to ground for excess voltage. It is particularly useful in device designs where stability is a major concern, and it is suitable for low voltage, low capacitance logic level ICs, TTL circuits, and digital ICs.

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